A 2003 survey by the Centers for Disease Control and Prevention concluded that smoking is forbidden in nearly 75% of U.S. households (Boston Globe, May 25, 2007). The survey gathered responses from at least 900 households in each state. When residents of Utah were asked whether or not smoking was allowed in their households, a representative sample of responses was as follows:

a. Construct a relative frequency distribution that summarizes the responses of residents from Utah and Kentucky. Comment on the results.

b. Construct a bar chart that summarizes the results for each state. R-69

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No No No No No No Yes No No No 22 No Yes No No No No No No No No When a similar survey was taken in Kentucky, a representative sample of responses was as follows: No No Yes No Yes No Yes Yes No No Yes Yes No Yes No No Yes No Yes No